Utah Code Ann. § 78B-6-410
Any person interested as or through an executor, administrator, trustee, guardian, or other fiduciary, creditor, devisee, legatee, heir, next of kin, or cestui que trust, in the administration of a trust, or of the estate of a decedent, an infant, lunatic, or insolvent, may petition the court for a declaratory judgment:
Renumbered and Amended by Chapter 3, 2008 General Session